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WSFC 2016 File Shares Cannot be Created for File Server Role Using Server Manager or Failover Cluster Manager
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Known Issues and Workarounds » Windows Server 2016 Specific Issues » WSFC 2016 File Shares Cannot be Created for File Server Role Using Server Manager or Failover Cluster Manager
Description Once a cluster File Server role is created, neither Server Manager nor Failover Cluster Manager can be used to initially create the share. Suggested Action Microsoft Article 2804526 provides a high level overview of several WSFC Server 2016 issues…
Manual Deployment of a SQL Server Failover Cluster Instance
DataKeeper Cluster Edition in a Cloud Environment » Deploying DataKeeper Cluster Edition in AWS » Manual Deployment of a SQL Server Failover Cluster Instance
*DISCLAIMER: While the following completely covers the high availability portion within the scope of our product, this is a setup “guide” only and should be adapted to your own configuration. *Please refer to the AWS Marketplace for a list of supported…
Remove DataKeeper Storage from a Windows Server Failover Cluster Role
DataKeeper Cluster Edition Technical Documentation » FAQs » Remove DataKeeper Storage from a Windows Server Failover Cluster Role
To remove an existing DataKeeper Resource/Mirror from Windows Server Failover Clustering: Without impacting the existing role in WSFC, i.e. File Shares, SAP, Oracle, SQL Without having to run various emcmd commands, e.g. deletelocalmirroronly,…
Server 2012: Server Manager “File and Storage Services” Disk Status
DataKeeper Cluster Edition Technical Documentation » FAQs » Server 2012: Server Manager “File and Storage Services” Disk Status
Question Why are DataKeeper Volumes that are being used in a Microsoft Failover Cluster not shown by Server Manager as “Clustered”? Answer On Server 2012, the new Server Manager tool is capable of detecting if a complete “Disk” is being used by Failover…
Deploying a File Server Failover Cluster Instance using the Azure Portal
DataKeeper Cluster Edition in a Cloud Environment » Configure a File Server Cluster in Azure Spanning Multiple Availability Zones(AZ) » Deploying a File Server Failover Cluster Instance using the Azure Portal
To build a 2-node File Server Failover Cluster Instance in Azure, we are going to assume you have a basic Virtual Network based on Azure Resource Manager and you have at least one virtual machine up and running and configured as a Domain Controller. Once you have a…
Configure Failover Clustering Feature
Step by Step SQL Server 2019 FCI in OCI » Configure Failover Clustering Feature
Enable the Failover Clustering Feature on both SQL1 and SQL2 Run this PowerShell command on SQL1 and SQL2 Install-WindowsFeature -Name Failover-Clustering -IncludeManagementTools Validate your Cluster Run this PowerShell command from SQL1 or SQL2 Test-Cluster…
Resources cannot Failover after a Target NODE/SYSTEM has been replaced
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Known Issues and Workarounds » Resources cannot Failover after a Target NODE/SYSTEM has been replaced
Error message: Log Name: System Source: Microsoft-Windows-FailoverClustering Date: 2/12/2020 6:14:29 PM Event ID: 1205 Task Category: Resource Control Manager Level: Error Keywords: User: SYSTEM Computer: servername.FQDN Description The Cluster service failed to…
Resources cannot Failover after a Target VOLUME has been replaced
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Known Issues and Workarounds » Resources cannot Failover after a Target VOLUME has been replaced
Description When a target volume is replaced, there is no data on the new target volume. However, DataKeeper will re-establish the mirror when the Source node is able to communicate with the Target, and will perform a partial resync. This results in incomplete and…
Extending a Traditional 2-Node WSFC Cluster to a Third Node via DataKeeper
DataKeeper Cluster Edition Technical Documentation » User Guide » Clustering » Extending a Traditional 2-Node WSFC Cluster to a Third Node via DataKeeper
When replicating from a WSFC 2-node cluster to a third node via DataKeeper, the following tasks are required: Replace the existing WSFC physical disk resource with a DataKeeper volume resource that supports data replication. Change the quorum type to Node…
Installing and Using DataKeeper Cluster Edition on Windows Server 2008 R2 / 2012 Core Platforms
DataKeeper Cluster Edition Technical Documentation » User Guide » Clustering » Installing and Using DataKeeper Cluster Edition on Windows Server 2008 R2 / 2012 Core Platforms
Prepare the servers. Install Windows Server 2008 R2/2012 Core on two servers, configure IP, join a domain, configure firewall for remote administration, configure the server for remote access and install the Failover Cluster feature. Server Core Installation…
Switchover and Failover with Multiple Targets
DataKeeper Cluster Edition Technical Documentation » User Guide » Configuring Mirrors » Switchover and Failover with Multiple Targets
In a multiple target configuration, it is important to understand how DataKeeper mirrors will work in the following scenarios: Manual switchover to a target server Source server failure followed by a manual switchover to a target server Example: In the…
Extending a Traditional 2-Node WSFC SQL Server Cluster to a Third Node via DataKeeper
DataKeeper Cluster Edition Technical Documentation » User Guide » Clustering » Extending a Traditional 2-Node WSFC SQL Server Cluster to a Third Node via DataKeeper
When replicating from a WSFC SQL Server 2-node cluster to a third node via DataKeeper, the following tasks are required: Replace the existing WSFC physical disk resource with a DataKeeper volume resource that supports data replication. Change the quorum type to…
Running chkdsk on Cluster Volumes during Cluster Volume Online
DataKeeper Cluster Edition Technical Documentation » User Guide » Clustering » Running chkdsk on Cluster Volumes during Cluster Volume Online
DataKeeper runs chkdsk on all mirrored volumes prior to the volume being available for use. There is a numeric Cluster Property named DiskRunChkDsk associated with each DataKeeper Volume resource created. DataKeeper now creates a new flag DiskRunChkDsk in Windows…
Creating Other Server Resource in WSFC
DataKeeper Cluster Edition Technical Documentation » User Guide » Clustering » Creating Other Server Resource in WSFC
When creating an Other Server resource in WSFC, you will be prompted for a storage resource (DataKeeper resource) twice. You will check the first one, but do not need to check the second dialog. Click the “checkbox” for the first dialog “Select…
WSFC – MS DTC Resource Failure
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Known Issues and Workarounds » WSFC – MS DTC Resource Failure
Error/Message The cluster resource host subsystem (RHS) stopped unexpectedly. An attempt will be made to restart it. This is usually due to a problem in a resource DLL. Please determine which resource DLL is causing the issue and report the problem to the resource…
SIOS DataKeeper Cluster Edition
SIOS DataKeeper Cluster Edition
Your information resource for SIOS DataKeeper Cluster Edition SIOS Technology Corp. maintains documentation for all supported versions of SIOS DataKeeper Cluster Edition. We welcome your suggestions and feedback. To help us continue to improve our documentation,…
How to cluster SAP ASCS and ERS on Windows in AWS using WSFC with SIOS DataKeeper
DataKeeper Cluster Edition in a Cloud Environment » How to cluster SAP ASCS and ERS on Windows in AWS using WSFC with SIOS DataKeeper
Introduction The following is a detailed, step-by-step guide on how to cluster SAP ASCS and ERS running on Windows in the AWS cloud. The examples assume that there are two nodes in the cluster (SIOS1, SIOS2) and each node resides in a different availability zone in…
Creating a DataKeeper Volume Resource in WSFC
DataKeeper Cluster Edition Technical Documentation » User Guide » Clustering » Creating a DataKeeper Volume Resource in WSFC
Automatic Creation of a Mirror in WSFC Use the SIOS DataKeeper GUI to configure a mirror. At the completion of the mirror creation operation, the following dialog box will pop up which will allow you to automatically add the mirror as a DataKeeper volume…
Manual Creation of a Mirror in WSFC
DataKeeper Cluster Edition Technical Documentation » User Guide » Clustering » Creating a DataKeeper Volume Resource in WSFC » Manual Creation of a Mirror in WSFC
!Before creating an Empty Role, verify that your mirror(s) are Highly Available by confirming that they are listed in the Failover Cluster Manager\Storage Disk as Available Storage. If you do NOT see your mirror(s) listed as Available Storage, they are NOT Highly…
DataKeeper Cluster Edition Installation Guide
DataKeeper Cluster Edition Installation Guide
The DataKeeper Cluster Edition Installation Guide contains information on how to properly install and license your software. The DataKeeper Cluster Edition Technical Documentation provides more detailed information necessary to complete your…
Uninstalling SIOS DataKeeper Cluster Edition
DataKeeper Cluster Edition Installation Guide » Uninstalling SIOS DataKeeper Cluster Edition
Before Removing DataKeeper If planning to uninstall DataKeeper and reinstall a previous version, all jobs/mirrors must be deleted on each node prior to uninstalling. These will need to be recreated once software is reinstalled. Uninstall DataKeeper Cluster…
DataKeeper Cluster Edition Technical Documentation
DataKeeper Cluster Edition Technical Documentation
DataKeeper with High Availability – Cluster Edition Overview SIOS DataKeeper is a highly optimized host-based replication solution which ensures your data is replicated as quickly and as efficiently as possible from your source server across the network to one…
Mirror Creation and Cluster Configuration
DataKeeper Cluster Edition Technical Documentation » User Guide » Using Microsoft iSCSI Target With DataKeeper on Windows 2012 » Mirror Creation and Cluster Configuration
Create your DataKeeper volumes and your cluster. See Creating a DataKeeper Volume Resource in WSFC for reference. *IMPORTANT: The iSCSI Target Role only supports DataKeeper Volumes that are mirrors of Simple Volumes placed on Basic Disks. If any of your mirrors are…
Hyper-V Host Cluster Error
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Known Issues and Workarounds » Hyper-V Host Cluster Error
Failover Cluster Error After Changing Virtual Machine Configuration While VM Is Clustered Description If Failover Cluster Manager is used to modify the VM configuration while the VM is clustered such as adding a Network Interface to the VM, “Refresh Virtual…
DataKeeper Cluster Edition Release Notes
DataKeeper Cluster Edition Release Notes
SIOS DataKeeper Cluster Edition Release Notes Version 8.11.0 Released June 26, 2025 !IMPORTANT: End of Support for 2012/2012 R2 SIOS has ended support for Microsoft Windows Server 2012/2012 R2 on October 10, 2024. LifeKeeper for Windows Version 8.9.2 is the…
Upgrading SIOS DataKeeper Cluster Edition
DataKeeper Cluster Edition Installation Guide » Upgrading SIOS DataKeeper Cluster Edition
!Before upgrading to v8.11.0 or v10.0, see this Known Issue. !Before upgrading from v8.10.2 to v10.0 or v8.11.0 to v10.0, see this Known Issue. Upgrading DataKeeper Cluster Edition from previous versions of DataKeeper Cluster Edition is very straightforward. Simply…
Setup of iSCSI Initiator on Windows 2012
DataKeeper Cluster Edition Technical Documentation » User Guide » Using Microsoft iSCSI Target With DataKeeper on Windows 2012 » Setup of iSCSI Initiator on Windows 2012
Once the virtual disks/targets are created, each of the cluster servers must initiate a connection to them via Microsoft’s iSCSI Initiator. From “Administrator Tools” in “Server Manager”, start “iSCSI Initiator”. Select the “Targets” tab and…
DataKeeper Failover Clustering Resource DLL (DataKeeperVolume) Message Catalog
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Message Catalogs » DataKeeper Failover Clustering Resource DLL (DataKeeperVolume) Message Catalog
Use Control F to search for a specific error code. Code Severity Message Cause/Action 17 Info DataKeeper Cluster Resource ‘Online’ operation for Volume ‘Y:’ was successful. 18 …
Delete and Switchover Actions Grayed Out
DataKeeper Cluster Edition Technical Documentation » FAQs » Delete and Switchover Actions Grayed Out
Question Why are the Delete and Switchover actions grayed out on the DataKeeper User Interface? Answer If the volume is under clustering protection (Microsoft clustering or SIOS LifeKeeper clustering), these actions are disabled.
DataKeeper Cluster Edition Quick Start Guide
DataKeeper Cluster Edition Quick Start Guide
This topic provides step-by-step instructions for installing and configuring DataKeeper Cluster Edition. The series of steps includes links to the documentation that describe each step in detail. Prerequisites and Installation Read the DataKeeper Cluster Edition…
Deploying DataKeeper Cluster Edition in Azure
DataKeeper Cluster Edition in a Cloud Environment » Deploying DataKeeper Cluster Edition in Azure
DEPLOYING MICROSOFT SQL SERVER 2017 FAILOVER CLUSTERS IN AZURE RESOURCE MANAGER (ARM) Before beginning, make sure you read the DataKeeper Cluster Edition Release Notes for the latest information. It is highly recommended that you read and understand the DataKeeper…
Add a Node to the Cluster
DataKeeper Cluster Edition Technical Documentation » User Guide » Clustering » Add a Node to the Cluster
When adding a node to a cluster, uncheck the Add all eligible storage to the cluster checkbox. It is checked by default. If it is not unchecked it will cause all of the storage that is configured with DataKeeper to be turned into Cluster storage and all roles in…
Evicting a Node from a Cluster
DataKeeper Cluster Edition Technical Documentation » User Guide » Clustering » Evicting a Node from a Cluster
Evict the node using Windows Failover Cluster user interface. When a node is evicted the mirror with remain intact and will continue mirroring outside of the cluster. The evicted node will no longer be on the list of possible owners.
Deploying DataKeeper Cluster Edition in AWS
DataKeeper Cluster Edition in a Cloud Environment » Deploying DataKeeper Cluster Edition in AWS
Introduction Best Practices Recommended Instance Types Manual Deployment of a SQL Server Failover Cluster Instance
Using Microsoft iSCSI Target With DataKeeper on Windows 2012
DataKeeper Cluster Edition Technical Documentation » User Guide » Using Microsoft iSCSI Target With DataKeeper on Windows 2012
The following topics will guide you in setting up Microsoft iSCSI Target with DataKeeper via the user interface. *NOTE: This configuration is not supported in a VMware ESX environment. …
DataKeeper Cluster Edition in a Cloud Environment
DataKeeper Cluster Edition in a Cloud Environment
Deploying DataKeeper Cluster Edition in AWS Deploying DataKeeper Cluster Edition in Azure How to cluster SAP ASCS and ERS on Windows in AWS using WSFC with SIOS DataKeeper Configure a File Server Cluster in Azure Spanning Multiple Availability…
DataKeeper Volume Not Available as Cluster Resource Type
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Known Issues and Workarounds » DataKeeper Volume Not Available as Cluster Resource Type
WSFC Server – The DataKeeper Volume is Not Available as a Cluster Resource Type After DataKeeper is Installed in a Microsoft WSFC Environment Error/Message The DataKeeper Volume is not available as a cluster resource type after DataKeeper is installed in a…
Extending a Single SQL Server Node to a Cluster
DataKeeper Cluster Edition Technical Documentation » User Guide » Clustering » Extending a Single SQL Server Node to a Cluster
This guide explains how to install a single SQL Server node and extend it to a clustered node. Please read this document carefully prior to installation. Planning Steps: Start with a Microsoft SQL Server standalone node, where data resides on the C drive. Note:…
Using DKCE to Enable Multi-Site File Share Resources with Windows Server 2008R2 WSFC
DataKeeper Cluster Edition Technical Documentation » User Guide » Clustering » Using DKCE to Enable Multi-Site File Share Resources with Windows Server 2008R2 WSFC
Use the following procedure to protect File Share resources using SIOS DataKeeper and Microsoft Failover Cluster (WSFC). *IMPORTANT NOTE: DataKeeper Cluster Edition registration with Failover Cluster is automatic and occurs 60 seconds after detecting a Failover…
DataKeeper Cannot be used as a Quorum Device for a Cluster
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Known Issues and Workarounds » DataKeeper Cannot be used as a Quorum Device for a Cluster
Question Can a DataKeeper drive be used for a quorum disk? Answer No, a DataKeeper drive cannot be used for a quorum disk. The quorum type is set to Node Majority if the number of nodes is odd (ex: 3-node cluster). The quorum type is set to Node and File Share…
Extending a Clustered DataKeeper Volume to a Node Outside the Cluster
DataKeeper Cluster Edition Technical Documentation » User Guide » Clustering » Extending a Clustered DataKeeper Volume to a Node Outside the Cluster
DataKeeper Volume cluster resources can be extended to a DR Node for Disaster Recovery purposes. In the event of a complete failure of all systems in the cluster, data will be accessible on the DR Node (referred to as the “DR Node”). Here you will find instructions…
Extending a Traditional 2-Node Cluster to a Shared-Replicated Configuration
DataKeeper Cluster Edition Technical Documentation » User Guide » Clustering » Extending a Traditional 2-Node Cluster to a Shared-Replicated Configuration
Add a Shared Node Using Windows Server 2008R2 or 2012 When using Windows Server 2008R2 or 2012, a 1×1 2-Node replicated cluster using DataKeeper Volumes can be extended to a 2×1 shared and replicated 3-Node cluster by using either of the following…
Using DataKeeper Cluster Edition to Enable Multi-Site Hyper-V Clusters
DataKeeper Cluster Edition Technical Documentation » User Guide » Clustering » Using DataKeeper Cluster Edition to Enable Multi-Site Hyper-V Clusters
Prerequisite Familiarity with Microsoft Windows Server, Microsoft Windows Failover Cluster Server Management and Hyper-V Virtual Management procedures and commands is highly recommended. Note: DataKeeper ClusterCluster Edition does not support Cluster Shared Volumes;…
Create a Mirror and Rename Job and Delete Job Actions Grayed Out
DataKeeper Cluster Edition Technical Documentation » FAQs » Create a Mirror and Rename Job and Delete Job Actions Grayed Out
Question Why are the Create a Mirror, Rename Job and Delete Job actions grayed out? Answer If a node that is part of the job is down, these actions will not be enabled.
Configure a File Server Cluster in Azure Spanning Multiple Availability Zones(AZ)
DataKeeper Cluster Edition in a Cloud Environment » Configure a File Server Cluster in Azure Spanning Multiple Availability Zones(AZ)
This step by step guide contains detailed steps that are required to deploy a 2-node File Server Failover Cluster that spans the new Availability Zones in a single region of Azure. The guide assumes that you have basic knowledge of Azure as well as Failover Clustering.…
Configuration of Data Replication From a Cluster Node to External DR Site
DataKeeper Cluster Edition Technical Documentation » Configuration » Configuration of Data Replication From a Cluster Node to External DR Site
For more information, see Extending a clustered datakeeper volume to a node outside the cluster.
Server Login Accounts and Passwords Must Be Same on Each Server in the Cluster
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Known Issues and Workarounds » Server Login Accounts and Passwords Must Be Same on Each Server in the Cluster
The DataKeeper GUI cannot connect to the target server in a cluster if server Login Accounts and Passwords are different on each server. Error Message An Error Code 1326 will appear in the Application log (Note: The Error Code may also be a 2 with Event ID…
Most Common DKCE Storage Solutions
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Solutions » DKCE Common Solutions » Most Common DKCE Storage Solutions
The following are the most commonly requested storage related solutions. Preparing Storage for DataKeeper Usage Preparing Storage for DataKeeper Usage Summary This video explains the procedure for creating/preparing storage for Datakeeper. It also addresses…
Deleting a Job
DataKeeper Cluster Edition Technical Documentation » User Guide » Working With Jobs » Deleting a Job
Select the job in the left Console Tree pane of the main DataKeeper window. You can select Delete Job from the Actions pane or right-click on the selected job and choose Delete Job from the menu that displays. Select Yes to delete the selected job and…
Video Solutions
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Solutions » Video Solutions
Frequently Asked Questions How do you resize a Volume? Summary: ISSUE: How do you resize a Datakeeper Volume? DataKeeper allows users to extend and shrink their DataKeeper volumes dynamically while retaining mirror settings. Once the resize is complete, a…
Windows Server 2016 Specific Issues
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Known Issues and Workarounds » Windows Server 2016 Specific Issues
For issues related to Windows Server 2016, see the following topic: ____________________________________________________________________________________________________________________ Occasional Job Creation Failure WSFC 2016 File Shares Cannot be Created…
FAQs
DataKeeper Cluster Edition Technical Documentation » FAQs
Refer to this section for answers to the most frequently asked questions about SIOS DataKeeper and SIOS DataKeeper Cluster Edition. ______________________________________________________________________________________________________________ Add a New Disk / DK…
Switchover in an N-Shared x N-Shared Configuration
DataKeeper Cluster Edition Technical Documentation » User Guide » Clustering » Switchover in an N-Shared x N-Shared Configuration
In a multi-shared storage environment between two sites (as shown in the diagram below), each server in each site has access to the storage being shared between the servers at that site. When a DataKeeper mirror is created, one server in each site will be designated…
Non-mirrored Volume Resource
DataKeeper Cluster Edition Technical Documentation » User Guide » Clustering » Non-mirrored Volume Resource
A non-mirrored volume resource is a DataKeeper resource where no data is replicated to any node in the cluster. This resource type should only be used where the data is temporary and/or non-critical such as MS SQL Server tempdb space. In this case, when MS SQL restarts…
Clustering
DataKeeper Cluster Edition Technical Documentation » User Guide » Clustering
Running chkdsk on Cluster Volumes during Cluster Volume Online Creating a DataKeeper Volume Resource in WSFC Manual Creation of a Mirror in WSFC DataKeeper Volume Resource Health Check DataKeeper Volume Resource Private Properties Extending a Clustered DataKeeper…
Solutions
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Solutions
- Cloud Environment - How to properly use AWS instance storage (ephemeral storage/disk) If SIOS AMIs are not being deployed on an AWS server, these disk initialization steps must be considered. This was introduced with Windows 2016 and continues in later…
Removing a Clustered DataKeeper Volume
DataKeeper Cluster Edition Installation Guide » Installation » Removing a Clustered DataKeeper Volume
To remove a Clustered DataKeeper Volume follow these steps: Launch the Failover Cluster Manager. Select the Role and related DataKeeper Storage. Remove the DataKeeper Volume resource from the Role. This will move the DataKeeper Volume resource to the…
Most Common DKCE Clustering Solutions
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Solutions » DKCE Common Solutions » Most Common DKCE Clustering Solutions
The following are the most commonly requested clustering related solutions. Perform a Health Check How do I add/register an existing DataKeeper Volume to a cluster? Why has my Role FAILED in WSFC (e.g. SQL, SAP, FileShare, Hyper-V, Generic App)? For…
AWS Cross Region Support
DataKeeper Cluster Edition in a Cloud Environment » Deploying DataKeeper Cluster Edition in AWS » AWS Cross Region Support
Step By Step Configuring Amazon Ec2 For Business Critical Applications The diagram above generally shows an active/source node (in green) synchronously replicating to a passive node, both existing in the same region (Region A). Synchronous replication can also be…
N-Shared-Disk Replicated to One
DataKeeper Cluster Edition Technical Documentation » User Guide » Getting Started » N-Shared-Disk Replicated to One
This configuration allows you to replicate the shared volume(s) of the primary site to a remote system across the network. This configuration is ideal for providing local failover within the Primary Site and disaster recovery protection should the entire Primary…
Live Migration Failure
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Known Issues and Workarounds » Live Migration Failure
Live Migration Fails if Virtual Network Names Differ Description When attempting to perform a live migration of a virtual machine(s) to another node in Failover Cluster Manager, if Virtual Network Names for NIC connections are not identical on all cluster nodes, the…
Add a New Disk / DK Volume to an Existing Clustered SQL Role
DataKeeper Cluster Edition Technical Documentation » FAQs » Add a New Disk / DK Volume to an Existing Clustered SQL Role
When adding an additional disk to an existing cluster, the dependency relationship must be verified and configured manually based on the following requirements: The IP Address and the Disk Resource/DataKeeper Volume do not depend on anything The SQL Network Name…
Known Issues and Workarounds
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Known Issues and Workarounds
Included below are known issues open against DataKeeper and DataKeeper Cluster Edition as well as possible workarounds and/or solutions. __________________________________________________________________________________________________________________ Access to…
N-Shared-Disk Replicated to N-Shared-Disk
DataKeeper Cluster Edition Technical Documentation » User Guide » Getting Started » N-Shared-Disk Replicated to N-Shared-Disk
This configuration replicates data between sites where each site utilizes shared storage. Steps to be replicated from the picture above: Create a shared volume between the first two nodes within the “Primary Site”. Storage (Shared Volume) 1…
User Interface
DataKeeper Cluster Edition Technical Documentation » User Interface
SIOS DataKeeper User Interface The SIOS DataKeeper User Interface uses a standard MMC snap-in interface. The left pane displays the Console Tree view. This includes the Jobs and Reports. Currently, there are two reports available – Job Overview and Server…
Install DataKeeper
DataKeeper Cluster Edition in a Cloud Environment » Configure a File Server Cluster in Azure Spanning Multiple Availability Zones(AZ) » Install DataKeeper
After the cluster is created, DataKeeper is installed. It is important to install DataKeeper after the initial cluster is created so the custom cluster resource type can be registered with the cluster. If you installed DataKeeper before the cluster was created you will…
N-Shared-Disk Replicated to Multiple N-Shared-Disk Targets
DataKeeper Cluster Edition Technical Documentation » User Guide » Getting Started » N-Shared-Disk Replicated to Multiple N-Shared-Disk Targets
This is a complex configuration which combines the aspects of replicating a shared storage environment to multiple shared targets. Note that the number of systems in the Primary Site does not have to equal the number of systems in the Remote Site. Also note that…
How to Replace A DKCE Node
DataKeeper Cluster Edition Technical Documentation » User Guide » How to Replace A DKCE Node
Replacing a node in a Windows Failover Cluster that uses DataKeeper Cluster Edition mirrored volumes involves making the following changes: Move any DataKeeper Volume resources from the node being replaced to another node in the cluster Using the registry editor,…
Unable to Determine Previous Install Path
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Known Issues and Workarounds » Unable to Determine Previous Install Path
Installation – Fatal Error: Unable to Determine Previous Install Path Error/Message Fatal Error: Unable to determine previous install path. DataKeeper cannot be uninstalled or reinstalled. Description When performing a “Repair” or…
Dangling Sources
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Known Issues and Workarounds » Dangling Sources
Mirror Broken – Notification Icon Indicates “dangling sources”, GUI shows Red X Solution By default, Windows configures virtual memory so that page files are automatically created on volumes as the Operating System determines is best. This Virtual…
Deploy an Active Directory Domain Controller in Azure
DataKeeper Cluster Edition in a Cloud Environment » Configure a File Server Cluster in Azure Spanning Multiple Availability Zones(AZ) » Deploy an Active Directory Domain Controller in Azure
Deploy a Virtual Machine that will work as a Domain Controller for the cluster that is going to be deployed. This step can be skipped if there is a Domain Controller already configured. *This Virtual Machine running a Domain Controller should be in a different…
Creating the SQL Server FCI
Step by Step SQL Server 2019 FCI in OCI » Creating the SQL Server FCI
Install DataKeeper Cluster Edition Before you can proceed with the next steps, you must install DataKeeper Cluster Edition on SQL1 and SQL2. Download the setup executable and run the DataKeeper setup on both nodes. Refer to the SIOS documentation for specific guidance…
Bitmap Writes Unexpectedly Fail When Any Volume is Removed (disk offline or partition deleted)
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Known Issues and Workarounds » Bitmap Writes Unexpectedly Fail When Any Volume is Removed (disk offline or partition deleted)
Problem: The issue causes bitmap writes to unexpectedly fail when any volume is removed (disk offline or partition deleted) from a system (PW-16197). This issue is limited to DataKeeper v8.10.2 and v8.11.0 (when used with LifeKeeper or Windows Server Failover…
How to Obtain a License
DataKeeper Cluster Edition Installation Guide » About DataKeeper Licensing » How to Obtain a License
Obtaining and Installing the License Activating Your License The final screen of the InstallShield installation utility displays the Host ID of your server. The Host ID, along with the Entitlement ID (Authorization Code) that was provided with your DataKeeper…
Replacing a Target
DataKeeper Cluster Edition Technical Documentation » User Guide » Working With Mirrors » Replacing a Target
When replacing the target volume, you must delete the mirror in order to ensure a full resync of the data from the source volume to the target volume when the target volume is back in place. Deleting the mirror discontinues replication altogether removing the mirror…
IMPORTANT NOTICE
DataKeeper Cluster Edition Release Notes » IMPORTANT NOTICE
During a review of the current releases of LifeKeeper for Windows and DataKeeper Cluster Edition, we discovered a memory leak issue in ExtMirrSvc.exe within DataKeeper. This issue is limited to LifeKeeper for Windows and DataKeeper versions 8.8.0 and…
DataKeeper Service (ExtMirrSvc) Message Catalog
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Message Catalogs » DataKeeper Service (ExtMirrSvc) Message Catalog
Use Control F to search for a specific error code. Code Severity Message Cause/Action 17 Info The SIOS DataKeeper Service version %1 is starting. 18 Warning The SIOS DataKeeper Service has been…
REGISTERCLUSTERVOLUME
DataKeeper Cluster Edition Technical Documentation » Using EMCMD with SIOS DataKeeper » REGISTERCLUSTERVOLUME
EMCMD REGISTERCLUSTERVOLUME This command is used to register a DataKeeper protected volume in a WSFC cluster. The parameters are: This is the source system of the mirror. The drive letter of the volume you want registered.…
Getting Started
DataKeeper Cluster Edition Technical Documentation » User Guide » Getting Started
Choose Your Configuration DataKeeper can be utilized in a number of different configurations to facilitate a number of different functions including: Provide a second physical copy of your data Extend an existing WSFC cluster to a remote DR site Eliminate…
SQL FCI on Workgroup Clusters
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Restrictions » SQL FCI on Workgroup Clusters
According to Microsoft, SQL Server failover cluster instance (FCI) requires the cluster nodes to be domain joined. Due to this restriction SIOS DataKeeper Cluster Edition cannot be used to protect Microsoft SQL Server Failover Cluster Instances in a workgroup…
Error Messages Log
DataKeeper Cluster Edition Technical Documentation » FAQs » Error Messages Log
Question Where does DataKeeper log error messages? Answer DataKeeper events are logged in the Windows Application Event Log and the Windows System Event Log. Here is a breakdown of the messages you can look for. Application Event Log: Source = ExtMirrSvc –…
Split-Brain Issue and Recovery
DataKeeper Cluster Edition Technical Documentation » User Guide » Clustering » Split-Brain Issue and Recovery
When protecting DataKeeper volume resources in Microsoft WSFC, if all nodes are included in the cluster split-brain recovery should occur automatically. However, in a Node Outside the Cluster scenario a split-brain may occur if network connectivity is lost to the DR…
DataKeeper Volume Resource Private Properties
DataKeeper Cluster Edition Technical Documentation » User Guide » Clustering » DataKeeper Volume Resource Private Properties
A DataKeeper Volume resource includes several private properties that are used by DataKeeper Cluster Edition. Among these properties are: VolumeLetter (REG_SZ) – the volume letter that is replicated by DataKeeper and associated with this DataKeeper Volume…
New Resources Offline But Unlocked
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Known Issues and Workarounds » New Resources Offline But Unlocked
WSFC Server – Newly Created Resources Appear Offline But Are Unlocked Error/Message Newly created resources appear offline but are unlocked. Description The new resource is always offline and unlocked before it is used. Suggested Action Switch the resource…
Summary
Step by Step SQL Server 2019 FCI in OCI » Summary
This technical guide provides a comprehensive overview of setting up a SQL Server 2019 Failover Cluster Instance (FCI) in Oracle Cloud Infrastructure (OCI). It begins by highlighting the importance of understanding OCI’s availability SLAs, which differ based on…
SETCONFIGURATION
DataKeeper Cluster Edition Technical Documentation » Using EMCMD with SIOS DataKeeper » SETCONFIGURATION
EMCMD SETCONFIGURATION This command sets the net alert settings (also referred to as “volume attributes”) for the volume. The parameters are: This can be either the source or the target system. The drive letter of the…
User Guide
DataKeeper Cluster Edition Technical Documentation » User Guide
The topics in this section are designed to be a reference for you as you get started using SIOS DataKeeper Cluster Edition, helping you identify the type of configuration you are interested in implementing and providing detailed instructions for effectively using your…
Add the Secondary IP Addresses
Step by Step SQL Server 2019 FCI in OCI » Add the Secondary IP Addresses
In order for Windows Server Failover Clustering to work properly in OCI, you have to add the cluster IP address as a secondary address on the virtual network interface (VNIC) attached to SQL1 and SQL1. As you recall, we discussed using the following IP addresses on…
How to create a DK Replicated Volume that has Multiple Targets via CLI
DataKeeper Cluster Edition Technical Documentation » User Guide » Clustering » How to create a DK Replicated Volume that has Multiple Targets via CLI
The environment in this example looks like this: PRIMARY (10.0.2.100) – in AZ1 SECONDARY (10.0.3.100) – in AZ2 DR (10.0.1.10) – in a different Region *The Goals: • To create a synchronous mirror from PRIMARY to SECONDARY and an…
DKCE Support Matrix
DKCE Support Matrix
Server Components Supported Operating System v8.9.0 v8.9.1 v8.9.2 v8.10.0 v8.10.1 v8.10.2 v8.11.0 Note: The operating system versions listed above are supported for guests running on the following…
GETCONFIGURATION
DataKeeper Cluster Edition Technical Documentation » Using EMCMD with SIOS DataKeeper » GETCONFIGURATION
EMCMD GETCONFIGURATION This command retrieves and displays the net alert settings (also referred to as “volume attributes”) for the volume. The parameters are: This can be either the source or the target systems. The…
Network Adapter Settings
DataKeeper Cluster Edition Technical Documentation » Configuration » Network Adapter Settings
*DataKeeper supports SMB1, SMB2 and SMB3, however the Transparent Failover feature which became available in SMB3 is NOT supported. !These paths may not work for some platforms (Windows 2012 R2, 2016, 2019), but to ensure the GUI operates properly be sure to have…
Creation of iSCSI Virtual Disks
DataKeeper Cluster Edition Technical Documentation » User Guide » Using Microsoft iSCSI Target With DataKeeper on Windows 2012 » Creation of iSCSI Virtual Disks
Perform the following on the primary server, wherever the iSCSI Target server is online at the moment. From Server Manager, navigate to File and Storage Services and select iSCSI. Click on the link “To create an iSCSI virtual disk, start the New iSCSI Virtual Disk…
Split-Brain FAQs
DataKeeper Cluster Edition Technical Documentation » FAQs » Split-Brain FAQs
Scenario I am using DataKeeper in a non-cluster environment. I am mirroring from Server1 at one site to Server2 at a second site. Communication is broken due to site-to-site VPN, and I need to fail over from Server1 to Server2. I cannot access Server1 from anywhere.…
Firewall Configurations
DataKeeper Cluster Edition Technical Documentation » Configuration » Firewall Configurations
SIOS DataKeeper cannot function properly if the firewall settings for the source and target machines are not configured correctly. This means you will need to configure a rule for inbound and outbound connections on each server running SIOS DataKeeper as well as any…
ReadOnly Host Caching
DataKeeper Cluster Edition in a Cloud Environment » Deploying DataKeeper Cluster Edition in Azure » ReadOnly Host Caching
According to this Microsoft article, caching is not recommended on disks hosting SQL/Server log files. If the workload is heavily utilizing the underlying disks (any other application than SQL/Server), disk caching should also be set to none. Please refer to…
CREATEJOB
DataKeeper Cluster Edition Technical Documentation » Using EMCMD with SIOS DataKeeper » CREATEJOB
EMCMD . CREATEJOB . . . Ensure the Mirror(s) are in a Mirroring state To check the state of the mirror, use the command emcmd . getmirrorvolinfo Create your job from the command line using the following syntax: EMCmd CREATEJOB “Description” …
Unexpected Order of the Upper Filters List May Cause Inability to Boot or Inability to Create Page Files
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Known Issues and Workarounds » Unexpected Order of the Upper Filters List May Cause Inability to Boot or Inability to Create Page Files
Description If the Upper Filters registry key has the Upper filters listed in any order that does not have ExtMirr last, problems can occur. On Windows Server 2022, the server will not be able to boot. On Windows Server 2025, the server will not be able to create page…
Deleting a Mirror
DataKeeper Cluster Edition Technical Documentation » User Guide » Working With Mirrors » Deleting a Mirror
This action discontinues replication and removes the mirror from the associated job. The target volume is unlocked and made fully accessible. Select the job that contains the mirror you want to delete. Right-click on the mirror and choose Delete Mirror or…
CHKDSK
DataKeeper Cluster Edition Technical Documentation » DataKeeper Troubleshooting » Restrictions » CHKDSK
If you must run CHKDSK on a volume that is being replicated by SIOS DataKeeper, it is recommended that you PAUSE the mirror before initiating the CHKDSK. After running CHKDSK, CONTINUE the mirror. A partial resync occurs (updating those writes generated by the CHKDSK)…